Color

#559d43

#559d43
hex#559d43
rgbrgb(85, 157, 67)
hslhsl(108, 40%, 44%)
oklchoklch(0.628 0.145 139.7)
Closest name: Golf Course (#5a9e4b)Relative luminance 0.2645

Colors that go with #559d43

Charcoal, Blue and Crimson lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8b439d

#829d43 · #439d5e

#43559d · #9d4355

Split-complementary

Open in tool →

#5e439d · #9d4382

#43829d · #8b439d · #9d5e43

Contrast

#559d43 as textRatioAAAA largeAAAFix
Aaon white
3.34:1failpassfail
  • AA: use #488439 as the text (4.53:1)
  • AAA: use #346029 as the text (7.37:1)
  • AA: or shift the background to #262626 (4.53:1)
Aaon black
6.29:1passpassfail
  • AAA: use #5ba848 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #559d43 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #559d43
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #559d43 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/559d43-a4bea2-7c4edf-1f2d23-eff1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md